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use hyper::Error as HyperError;
use reqwest::Error as ReqwestError;
use serde_json::Error as JsonError;
use serde_urlencoded::ser::Error as UrlEncodeError;
use std::error::Error as StdError;
use std::fmt::{Display, Formatter, Result as FmtResult};
use std::result::Result as StdResult;
/// Result type used throughout the library's public result functions.
pub type Result<T> = StdResult<T, Error>;
/// Standard error enum used to wrap different potential error types.
#[derive(Debug)]
pub enum Error {
/// An error from the `hyper` crate.
Hyper(HyperError),
/// An error from the `reqwest` crate.
Reqwest(ReqwestError),
/// An error from the `serde_json` crate.
Json(JsonError),
/// An error from the `serde_urlencoded` crate.
UrlEncode(UrlEncodeError),
}
impl From<HyperError> for Error {
fn from(err: HyperError) -> Self {
Error::Hyper(err)
}
}
impl From<ReqwestError> for Error {
fn from(err: ReqwestError) -> Self {
Error::Reqwest(err)
}
}
impl From<JsonError> for Error {
fn from(err: JsonError) -> Self {
Error::Json(err)
}
}
impl From<UrlEncodeError> for Error {
fn from(err: UrlEncodeError) -> Self {
Error::UrlEncode(err)
}
}
impl Display for Error {
fn fmt(&self, f: &mut Formatter) -> FmtResult {
f.write_str(self.to_string().as_str())
}
}
impl StdError for Error {
fn description(&self) -> &str {
match *self {
Error::Hyper(ref inner) => inner.description(),
Error::Reqwest(ref inner) => inner.description(),
Error::Json(ref inner) => inner.description(),
Error::UrlEncode(ref inner) => inner.description(),
}
}
}
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